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直円錐 (ちょくえんすい, chokuensui) Japanese meaning | Kotomora

直ちょく円えん錐すい

ちょ

く

え

ん

す

い

Meanings

1

right circular cone

Technical geometry term for a cone whose axis is perpendicular to its circular base.

直ちょく円えん錐すいの体たい積せきは、底てい面めんの半はん径

けい

と

高たか

さ

から

計けい

算さん

できる

。

The volume of a right circular cone can be calculated from the radius of its base and its height.

Kanji

直straightaway, honesty, frankness
円circle, yen, round
錐auger, drill, awl

Related words

円えん錐すい
円錐 is a general cone, while 直円錐 specifically refers to a right circular cone with a perpendicular axis.

Built from

直ちょく+円えん錐すい

Etymology

Compound of 直 (choku, 'straight, right') and 円錐 (ensui, 'cone'), describing a cone with a right angle between the axis and the base.